hypergolic ignition

简明释义

自燃

英英释义

例句

1.One of the advantages of hypergolic ignition is that it does not require an external ignition source.

超自燃点火的一个优点是它不需要外部点火源。

2.The rocket engine utilizes hypergolic ignition for immediate thrust upon fuel injection.

火箭发动机利用超自燃点火在燃料注入时立即产生推力。

3.NASA's Apollo missions relied on hypergolic ignition for their lunar landers.

美国宇航局的阿波罗任务依赖于其月球着陆器的超自燃点火。

4.SpaceX's Draco thrusters are designed with hypergolic ignition for efficient maneuvering.

SpaceX的Draco推进器采用超自燃点火设计，以实现高效操控。

5.The propellant combination used in hypergolic ignition engines is typically very toxic.

在超自燃点火发动机中使用的推进剂组合通常非常有毒。

作文

In the world of rocket propulsion, the term hypergolic ignition plays a crucial role in the design and operation of spacecraft engines. This phenomenon refers to the ability of certain propellants to ignite spontaneously upon contact with each other, eliminating the need for an external ignition source. The significance of hypergolic ignition lies in its reliability and simplicity, which are essential for space missions where precision and safety are paramount.One of the most common examples of hypergolic ignition is found in the combination of hydrazine and nitrogen tetroxide. These two substances, when mixed, ignite instantly, producing a high-energy reaction that propels rockets into space. The use of hypergolic ignition systems allows for immediate thrust generation, which is particularly beneficial during critical phases of flight, such as launch and orbital maneuvers.The advantages of hypergolic ignition are numerous. First and foremost, it provides a level of operational flexibility that traditional rocket engines lack. In situations where timing is critical, the ability to ignite fuel on command without the need for complex ignition systems can be a game-changer. This feature is especially useful in scenarios where rapid response is necessary, such as in satellite deployment or in the event of a spacecraft needing to change its trajectory quickly.Moreover, hypergolic ignition contributes to the overall design efficiency of rocket engines. Since these propellants ignite on contact, engineers can simplify the engine design by omitting complicated ignition mechanisms. This reduction in complexity not only saves weight but also minimizes potential points of failure, enhancing the overall reliability of the spacecraft.However, despite its many benefits, hypergolic ignition is not without its challenges. The chemicals involved in this process are often highly toxic and require careful handling and storage. Safety protocols must be strictly adhered to in order to prevent accidents during the fueling and operation of spacecraft. Additionally, the environmental impact of using such hazardous materials raises concerns, prompting researchers to explore alternative propellant options that could offer similar ignition characteristics without the associated risks.In conclusion, hypergolic ignition is a fundamental concept in rocket propulsion that enables efficient and reliable spacecraft operations. Its ability to facilitate immediate thrust generation makes it an invaluable asset in the aerospace industry. As technology continues to evolve, the exploration of safer and more environmentally friendly alternatives to hypergolic ignition will likely remain a priority for engineers and scientists alike. Understanding this phenomenon not only enhances our knowledge of rocket science but also paves the way for future innovations in space exploration.

在火箭推进的世界中，术语超肼点火在航天器发动机的设计和操作中起着至关重要的作用。这个现象指的是某些推进剂在接触时自发点燃的能力，从而消除了对外部点火源的需求。超肼点火的重要性在于其可靠性和简单性，这对于需要精确和安全的太空任务至关重要。最常见的超肼点火示例是肼和四氧化二氮的组合。这两种物质在混合时会立即点燃，产生高能反应，将火箭推向太空。使用超肼点火系统可以立即产生推力，这在飞行的关键阶段，诸如发射和轨道机动时尤其有利。超肼点火的优势有很多。首先，它提供了一种传统火箭发动机所缺乏的操作灵活性。在时间至关重要的情况下，能够在没有复杂点火系统的情况下按命令点燃燃料，可以改变游戏规则。这一特性在需要快速响应的场景中尤其有用，例如卫星部署或航天器需要快速改变轨迹的情况。此外，超肼点火还有助于火箭发动机的整体设计效率。由于这些推进剂在接触时即点燃，工程师可以通过省略复杂的点火机制来简化发动机设计。这种复杂性的减少不仅节省了重量，还最小化了潜在的故障点，提高了航天器的整体可靠性。然而，尽管有许多好处，超肼点火也并非没有挑战。参与这一过程的化学物质通常是高度毒性的，需谨慎处理和储存。必须严格遵守安全协议，以防止在航天器加油和操作期间发生事故。此外，使用这种危险材料对环境的影响引发了担忧，促使研究人员探索其他推进剂选项，以便在不带来相关风险的情况下提供类似的点火特性。总之，超肼点火是火箭推进中的一个基本概念，使航天器的操作高效且可靠。其促进即时推力生成的能力使其成为航空航天工业中无价的资产。随着技术的不断发展，探索更安全、更环保的替代品以取代超肼点火将可能继续成为工程师和科学家的优先事项。理解这一现象不仅增强了我们对火箭科学的认识，也为未来的太空探索创新铺平了道路。